Robtex

Up: 177.71.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 177.71.72.0/23
Down right: 177.71.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.71.72.54	A+PTR	prinse-177-71-72-54.prinse.com.br
177.71.72.54	A	sdovoltaredonda.ddns.net
177.71.72.116	A	ns1.aedb.br
177.71.72.117	A	ns2.aedb.br
177.71.72.119	PTR	host-177-71-72-119.brip.net.br
177.71.72.119	A	inf.aedb.br
177.71.72.119	A	www.inf.aedb.br
177.71.72.210	PTR	host-177-71-72-210.brip.net.br
177.71.72.210	A	tecnologytelecom.com
177.71.73.82	PTR	prinse-177-71-73-82.prinse.com.br
177.71.73.82	A	rederoyal.com.br
177.71.73.82	A	correio.rederoyal.com.br
177.71.73.98	PTR	prinse-177-71-73-98.prinse.com.br
177.71.74.75	PTR	protheus3.ormec.com.br
177.71.74.75	A	ormec.com.br
177.71.74.198	PTR	prinse-177-71-74-198.prinse.com.br
177.71.74.254	PTR	prinse-177-71-74-254.prinse.com.br